System Diagram [09/2015 - ]

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2022 Lexus RX 350, 2021 Lexus RX 350, 2020 Lexus RX 350, 2019 Lexus RX 350, and 2018 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power Window Control System Diagram (1 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Power Window Control System Diagram (2 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: Power Window Control System Diagram (3 Of 3)

COMMUNICATION TABLE

Transmitting ECU	Receiving ECU	Signal	Communication Method
Multiplex Network Master Switch Assembly	Power Window Regulator Motor Assembly (for Driver Door)	Power window auto up and down signal	LIN
Multiplex Network Master Switch Assembly	Power Window Regulator Motor Assembly (for Front Passenger Door) Power Window Regulator Motor Assembly (for Rear LH Door) Power Window Regulator Motor Assembly (for Rear RH Door)	Power window remote up and down signal	LIN
Main Body ECU (Multiplex Network Body ECU)	Power Window Regulator Motor Assembly (for Driver Door) Power Window Regulator Motor Assembly (for Front Passenger Door) Power Window Regulator Motor Assembly (for Rear LH Door) Power Window Regulator Motor Assembly (for Rear RH Door)	Power window operation permission signal	LIN
Certification ECU (Smart Key ECU Assembly)	Main Body ECU (Multiplex Network Body ECU)	Wireless power window operation signal	CAN
Main Body ECU (Multiplex Network Body ECU)	Combination Meter Assembly	Window open warning request signal	CAN